public void Clear()
{
TaaUtilities.EnsureArray(ref this._param_initialized, 2);
this._param_initialized[0] = false;
this._param_initialized[1] = false;
}
public void OnPostRender(ref Camera camera, ref FrustumJitter frustum_jitter)
{
TaaUtilities.EnsureArray(ref this._velocity_buffer, 2);
TaaUtilities.EnsureArray(ref this._velocity_neighbor_max, 2);
TaaUtilities.EnsureArray(ref this._param_initialized, 2, initial_value: false);
TaaUtilities.EnsureArray(ref this._param_projection_extents, 2);
TaaUtilities.EnsureArray(ref this._param_curr_v, 2);
TaaUtilities.EnsureArray(ref this._param_curr_vp, 2);
TaaUtilities.EnsureArray(ref this._param_prev_vp, 2);
TaaUtilities.EnsureArray(ref this._param_prev_vp_no_flip, 2);
TaaUtilities.EnsureMaterial(ref this._velocity_material, this._velocity_shader);
if (this._velocity_material == null)
{
return;
}
this.TimeScale = this._time_scale_next_frame;
this._time_scale_next_frame = Time.timeScale == 0.0f ? this._time_scale_next_frame : Time.timeScale;
#if SUPPORT_STEREO
var eye_index = camera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Right ? 1 : 0;
#else
int eyeIndex = 0;
#endif
var buffer_w = camera.pixelWidth;
var buffer_h = camera.pixelHeight;
if (TaaUtilities.EnsureRenderTarget(ref this._velocity_buffer[eye_index],
buffer_w,
buffer_h,
_velocity_format,
FilterMode.Point,
depth_bits: 16))
{
this.Clear();
}
TaaUtilities.EnsureKeyword(this._velocity_material, "CAMERA_PERSPECTIVE", !camera.orthographic);
TaaUtilities.EnsureKeyword(this._velocity_material, "CAMERA_ORTHOGRAPHIC", camera.orthographic);
TaaUtilities.EnsureKeyword(this._velocity_material,
"TILESIZE_10",
this.neighborMaxSupport == NeighborMaxSupport.Tile_size10_);
TaaUtilities.EnsureKeyword(this._velocity_material,
"TILESIZE_20",
this.neighborMaxSupport == NeighborMaxSupport.Tile_size20_);
TaaUtilities.EnsureKeyword(this._velocity_material,
"TILESIZE_40",
this.neighborMaxSupport == NeighborMaxSupport.Tile_size40_);
TaaUtilities.EnsureKeyword(this._velocity_material,
"USE_UNITY_VELOCITY_BUFFER",
this.useUnityVelocityBuffer);
#if SUPPORT_STEREO
if (camera.stereoEnabled)
{
for (var i = 0; i != 2; i++)
{
var eye = (Camera.StereoscopicEye)i;
var curr_v = camera.GetStereoViewMatrix(eye);
var curr_p = GL.GetGPUProjectionMatrix(camera.GetStereoProjectionMatrix(eye), true);
var curr_p_no_flip = GL.GetGPUProjectionMatrix(camera.GetStereoProjectionMatrix(eye), false);
var prev_v = this._param_initialized[i] ? this._param_curr_v[i] : curr_v;
this._param_initialized[i] = true;
this._param_projection_extents[i] = camera.GetProjectionExtents(eye);
this._param_curr_v[i] = curr_v;
this._param_curr_vp[i] = curr_p * curr_v;
this._param_prev_vp[i] = curr_p * prev_v;
this._param_prev_vp_no_flip[i] = curr_p_no_flip * prev_v;
}
}
else
#endif
{
var curr_v = camera.worldToCameraMatrix;
var curr_p = GL.GetGPUProjectionMatrix(camera.projectionMatrix, true);
var curr_p_no_flip = GL.GetGPUProjectionMatrix(camera.projectionMatrix, false);
var prev_v = this._param_initialized[0] ? this._param_curr_v[0] : curr_v;
this._param_initialized[0] = true;
this._param_projection_extents[0] = frustum_jitter != null
? camera.GetProjectionExtents(frustum_jitter._ActiveSample.x,
frustum_jitter._ActiveSample.y)
: camera.GetProjectionExtents();
this._param_curr_v[0] = curr_v;
this._param_curr_vp[0] = curr_p * curr_v;
this._param_prev_vp[0] = curr_p * prev_v;
this._param_prev_vp_no_flip[0] = curr_p_no_flip * prev_v;
}
var active_rt = RenderTexture.active;
RenderTexture.active = this._velocity_buffer[eye_index];
GL.Clear(true, true, Color.black);
const int k_prepass = 0;
const int k_vertices = 1;
const int k_vertices_skinned = 2;
const int k_tile_max = 3;
const int k_neighbor_max = 4;
// 0: prepass
#if SUPPORT_STEREO
this._velocity_material.SetVectorArray(_projection_extents, this._param_projection_extents);
this._velocity_material.SetMatrixArray(_curr_v, this._param_curr_v);
this._velocity_material.SetMatrixArray(_curr_vp, this._param_curr_vp);
this._velocity_material.SetMatrixArray(_prev_vp, this._param_prev_vp);
this._velocity_material.SetMatrixArray(_prev_vp_no_flip, this._param_prev_vp_no_flip);
#else
velocityMaterial.SetVector(ProjectionExtents, paramProjectionExtents[0]);
velocityMaterial.SetMatrix(CurrV, paramCurrV[0]);
velocityMaterial.SetMatrix(CurrVp, paramCurrVP[0]);
velocityMaterial.SetMatrix(PrevVp, paramPrevVP[0]);
velocityMaterial.SetMatrix(PrevVpNoFlip, paramPrevVP_NoFlip[0]);
#endif
this._velocity_material.SetPass(k_prepass);
TaaUtilities.DrawFullscreenQuad();
// 1 + 2: vertices + vertices skinned
var obs = VelocityBufferTag._ActiveObjects;
#if UNITY_EDITOR && PD_TAA_FORK_DEBUG
this.numResident = obs.Count;
this.numRendered = 0;
this.numDrawCalls = 0;
#endif
for (int i = 0, n = obs.Count; i != n; i++)
{
var ob = obs[i];
if (ob != null && ob.Rendering && ob._Mesh != null)
{
this._velocity_material.SetMatrix(_curr_m, ob._LocalToWorldCurr);
this._velocity_material.SetMatrix(_prev_m, ob._LocalToWorldPrev);
this._velocity_material.SetPass(ob._MeshSmrActive ? k_vertices_skinned : k_vertices);
for (var j = 0; j != ob._Mesh.subMeshCount; j++)
{
Graphics.DrawMeshNow(ob._Mesh, Matrix4x4.identity, j);
#if UNITY_EDITOR && PD_TAA_FORK_DEBUG
this.numDrawCalls++;
#endif
}
#if UNITY_EDITOR && PD_TAA_FORK_DEBUG
this.numRendered++;
#endif
}
}
// 3 + 4: tilemax + neighbormax
if (this.neighborMaxGen)
{
var tile_size = 1;
switch (this.neighborMaxSupport)
{
case NeighborMaxSupport.Tile_size10_:
tile_size = 10;
break;
case NeighborMaxSupport.Tile_size20_:
tile_size = 20;
break;
case NeighborMaxSupport.Tile_size40_:
tile_size = 40;
break;
}
var neighbor_max_w = buffer_w / tile_size;
var neighbor_max_h = buffer_h / tile_size;
TaaUtilities.EnsureRenderTarget(ref this._velocity_neighbor_max[eye_index],
neighbor_max_w,
neighbor_max_h,
_velocity_format,
FilterMode.Bilinear);
// tilemax
var tile_max = RenderTexture.GetTemporary(neighbor_max_w,
neighbor_max_h,
0,
_velocity_format);
RenderTexture.active = tile_max;
{
this._velocity_material.SetTexture(_velocity_tex, this._velocity_buffer[eye_index]);
this._velocity_material.SetVector(_velocity_tex_texel_size,
new Vector4(1.0f / buffer_w,
1.0f / buffer_h,
0.0f,
0.0f));
this._velocity_material.SetPass(k_tile_max);
TaaUtilities.DrawFullscreenQuad();
}
// neighbormax
RenderTexture.active = this._velocity_neighbor_max[eye_index];
{
this._velocity_material.SetTexture(_velocity_tex, tile_max);
this._velocity_material.SetVector(_velocity_tex_texel_size,
new Vector4(1.0f / neighbor_max_w,
1.0f / neighbor_max_h,
0.0f,
0.0f));
this._velocity_material.SetPass(k_neighbor_max);
TaaUtilities.DrawFullscreenQuad();
}
RenderTexture.ReleaseTemporary(tile_max);
}
else
{
TaaUtilities.ReleaseRenderTarget(ref this._velocity_neighbor_max[0]);
TaaUtilities.ReleaseRenderTarget(ref this._velocity_neighbor_max[1]);
}
RenderTexture.active = active_rt;
this._active_eye_index = eye_index;
}